Here's a website which gives all sorts of p/n's for MoPars.....says your heads are for '76-78 400 and 440's... http://www.autohobbydigest.com/tables.php?03_Head-Casting-Numbers ----- Original Message ----- From: "Marshall R Larson" <yelof@xxxxxxxx> To: <chrysler300@xxxxxxxxxxxxxxx> Sent: Friday, July 01, 2005 4:40 AM Subject: [Chrysler300] Heads! > Hi group. > > I just acquired a pair of what I thought were 440 heads. The PN is > 4006452 but they don't have hardened seats and they have full combustion > chambers unlike the 413 heads from my engine that are flat beyond valve > area. The valves are 2.08 int. and 1.743 exh. The also have smaller > springs and no dampers. What are they? > > My original heads are PN 2206324 with 2.08 int. and 1.610 exh. > > Minnesota Marshall > Red G, 27 & 28 Dodge Brothers. > > > To send a message to this group, send an email to: > Chrysler300@xxxxxxxxxxxxxxx > > For list server instructions, go to > http://www.chrysler300club.com/yahoolist/inst.htm > Yahoo! Groups Links > > > > > > > To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/